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2012 Mazda 3 Mazdaspeed with Kansei K12B KNP 18x9 +12 Bronze Wheels

Vehicle 2012 Mazda 3 Mazdaspeed
Wheel Kansei K12B KNP 5x114.3 18x9 12 Bronze
Bolt Pattern5x114.3
Size18x9 +12
Stance Stanced
Tire Slight Stretch
Type Visual preview
FRONT 3/4 2012 Mazda Mazdaspeed3 with Kansei K12B KNP 5x114.3 18x9 12 Bronze wheels front three quarter view stanced stance

Front 3/4 view of 2012 Mazda Mazdaspeed3 on Kansei K12B KNP 5x114.3 18x9 12 Bronze K12B KNP 12 Bronze

REAR 3/4 2012 Mazda Mazdaspeed3 with Kansei K12B KNP 5x114.3 18x9 12 Bronze wheels rear three quarter view slight stretch tires

Rear 3/4 view of 2012 Mazda Mazdaspeed3 on Kansei K12B KNP 5x114.3 18x9 12 Bronze K12B KNP 12 Bronze

SHOP Kansei K12B KNP 5x114.3 18x9 12 Bronze WHEELS$375 per wheel · $1,500 for a set of 4 — Free shippingOut of stock right now

Will the Kansei K12B KNP 18x9 +12 fit a 2012 Mazda 3 Mazdaspeed?

Not as shown. This size is outside the range we list for the 2012 Mazda 3 Mazdaspeed.

This preview shows how Kansei K12B KNP 5x114.3 18x9 12 Bronze wheels look on a 2012 Mazda Mazdaspeed3. Use this page to compare finish, diameter, and overall styling before buying.

Kansei K12B KNP 5x114.3 18x9 12 Bronze Wheels for the 2012 Mazda Mazdaspeed3

The 18×9 K12B fits within the Mazdaspeed3's aggressive fitment range (up to 18×9.5), positioning this setup toward a purposeful, lowered stance. Slight tire stretch is typical at this width and diameter; expect minor fender roll on stock suspension, though coilovers or lowering springs will deepen the tucked appearance shown. Confirm final clearance against the inner fender and strut housing, as ride height and brake-caliper size will influence safe fitment.

The Kansei K12B KNP 5x114.3 18x9 12 Bronze is one of the most popular aftermarket wheel choices for the Mazda 3 platform. When shopping for 2012 Mazda Mazdaspeed3 wheels, fitment is everything -- bolt pattern, hub bore, offset, and fender clearance all play a role in achieving the perfect stance. Our fitment specialists can help you dial in the exact specs for your 2012 Mazda Mazdaspeed3.

2012 Mazda 3 Mazdaspeed Wheel Fitment

Bolt Pattern5x114.3
Hub Bore67.1 mm
Factory Wheel18x7.5 +53
Factory Tire225/40R18
Lug ThreadM12x1.5
Tested Sizes18 to 19 in, +35 to +53 offset

Heads up: this exact size sits outside the range we list for the 2012 Mazda 3 Mazdaspeed. The page shows the look.

Factory specs: DriveRight vehicle data.

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For visualization purposes only. Actual fitment depends on your vehicle's fender clearance, suspension, hub bore, and bolt pattern. Contact our team for professional fitment consultation.